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2Published 1969“...U.S. Geological Survey,...”
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4Published 1973“...U.S. Geological Survey,...”
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9by Goudarzi, Gus H. (Gus Hossein), 1918-“...U.S. Geological Survey,...”
Published 1969
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11by Trace, Robert Denny, 1917-“...U.S. Geological Survey,...”
Published 1977
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